| Affiliation: | 1. Department of Mathematics, Wenzhou University, Wenzhou, Zhejiang Province, 325035, PR China;2. Departmento de Ecuaciones Diferenciales y Análisis Numérico Facultad de Matemáticas, Universidad de Sevilla, c/ Tarfia s/n, 41012-Sevilla, Spain;3. Institute of Applied Mathematics and Mechanics, University of Warsaw Banacha 2, 02-097 Warsaw, Poland;1. Department of Mathematics and Statistics, 221 Parker Hall, Auburn University, Auburn, AL 36849, USA;2. School of Mathematics and Statistics, Huazhong University of Science & Technology, Wuhan 430074, China;1. School of Mathematics, Southwest Jiaotong University, Chengdu 610031, PR China;2. School of Mathematics and Statistics, Southwest University, Chongqing 400715, PR China;3. Department of Mathematics, Brigham Young University, Provo, UT 84602, USA;4. Department of Mathematics, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA;1. School of Mathematics and Statistics, Southwest University, Chongqing 400715, PR China;2. Department of Mathematics, Liupanshui normal college, Liupanshui, 553004, Guizhou, PR China |
